These cookies ensure basic functionalities and security features of the website, anonymously. Necessary cookies are absolutely essential for the website to function properly. Simply tune the input frequency until the meter dips, indicating little reflection from the device under test.Also read about an IC version of the isolator: Low Frequency Circulator/Isolator Uses no Ferrite or Magnets (pdf file) An RF amplifier and diode detector could be added to the output to make a simple dip meter. For example, a 100 ohm generator could test a 75 ohm antenna and present the reflections to a 50 ohm spectrum analyzer.
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